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stdio.h

2017-12-04 13:51:09   0  举报

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stdio.h api分类,一小步，但为大步的准备

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输入输出

针对FILE

<a href="http://www.runoob.com/cprogramming/c-function-fread.html" style="border: 0px; margin: 0px; padding: 0px; color: rgb(100, 133, 76); transition-duration: 0.2s; transition-property: opacity; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", Arial, sans-serif; font-size: 13px;">size_t fread(void *ptr, size_t size, size_t nmemb, FILE *stream)</a>

<a href="http://www.runoob.com/cprogramming/c-function-fwrite.html" style="border: 0px; margin: 0px; padding: 0px; color: rgb(100, 133, 76); transition-duration: 0.2s; transition-property: opacity; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", Arial, sans-serif; font-size: 13px;">size_t fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream)</a>

<a href="http://www.runoob.com/cprogramming/c-function-fprintf.html" style="border: 0px; margin: 0px; padding: 0px; color: rgb(100, 133, 76); transition-duration: 0.2s; transition-property: opacity; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", Arial, sans-serif; font-size: 13px;">int fprintf(FILE *stream, const char *format, ...)</a>

<a href="http://www.runoob.com/cprogramming/c-function-fscanf.html" style="border: 0px; margin: 0px; padding: 0px; color: rgb(100, 133, 76); transition-duration: 0.2s; transition-property: opacity; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", Arial, sans-serif; font-size: 13px;">int fscanf(FILE *stream, const char *format, ...)</a>

<a href="http://www.runoob.com/cprogramming/c-function-fgetc.html" style="border: 0px; margin: 0px; padding: 0px; color: rgb(100, 133, 76); transition-duration: 0.2s; transition-property: opacity; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", Arial, sans-serif; font-size: 13px;">int fgetc(FILE *stream)</a>

<a href="http://www.runoob.com/cprogramming/c-function-ungetc.html" style="border: 0px; margin: 0px; padding: 0px; color: rgb(100, 133, 76); transition-duration: 0.2s; transition-property: opacity; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", Arial, sans-serif; font-size: 13px;">int ungetc(int char, FILE *stream)</a>

<a href="http://www.runoob.com/cprogramming/c-function-fputc.html" style="border: 0px; margin: 0px; padding: 0px; color: rgb(100, 133, 76); transition-duration: 0.2s; transition-property: opacity; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", Arial, sans-serif; font-size: 13px;">int fputc(int char, FILE *stream)</a>

<a href="http://www.runoob.com/cprogramming/c-function-fputs.html" style="border: 0px; margin: 0px; padding: 0px; color: rgb(100, 133, 76); transition-duration: 0.2s; transition-property: opacity; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", Arial, sans-serif; font-size: 13px;">int fputs(const char *str, FILE *stream)</a>

<a href="http://www.runoob.com/cprogramming/c-function-fgets.html" style="border: 0px; margin: 0px; padding: 0px; color: rgb(100, 133, 76); transition-duration: 0.2s; transition-property: opacity; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", Arial, sans-serif; font-size: 13px;">char *fgets(char *str, int n, FILE *stream)</a>

针对标准IO

<a href="http://www.runoob.com/cprogramming/c-function-getchar.html" style="border: 0px; margin: 0px; padding: 0px; color: rgb(100, 133, 76); transition-duration: 0.2s; transition-property: opacity; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", Arial, sans-serif; font-size: 13px;">int getchar(void)</a>

<a href="http://www.runoob.com/cprogramming/c-function-putchar.html" style="border: 0px; margin: 0px; padding: 0px; color: rgb(100, 133, 76); transition-duration: 0.2s; transition-property: opacity; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", Arial, sans-serif; font-size: 13px;">int putchar(int char)</a>

<a href="http://www.runoob.com/cprogramming/c-function-scanf.html" style="border: 0px; margin: 0px; padding: 0px; color: rgb(100, 133, 76); transition-duration: 0.2s; transition-property: opacity; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", Arial, sans-serif; font-size: 13px;">int scanf(const char *format, ...)</a>

<a href="http://www.runoob.com/cprogramming/c-function-printf.html" style="border: 0px; margin: 0px; padding: 0px; color: rgb(100, 133, 76); transition-duration: 0.2s; transition-property: opacity; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", Arial, sans-serif; font-size: 13px;">int printf(const char *format, ...)</a>

针对字符缓存区

<a href="http://www.runoob.com/cprogramming/c-function-sscanf.html" style="border: 0px; margin: 0px; padding: 0px; color: rgb(100, 133, 76); transition-duration: 0.2s; transition-property: opacity; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", Arial, sans-serif; font-size: 13px;">int sscanf(const char *str, const char *format, ...)</a>

<a href="http://www.runoob.com/cprogramming/c-function-sprintf.html" style="border: 0px; margin: 0px; padding: 0px; color: rgb(100, 133, 76); transition-duration: 0.2s; transition-property: opacity; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", Arial, sans-serif; font-size: 13px;">int sprintf(char *str, const char *format, ...)</a>

错误异常

<a href="http://www.runoob.com/cprogramming/c-function-perror.html" style="border: 0px; margin: 0px; padding: 0px; color: rgb(100, 133, 76); transition-duration: 0.2s; transition-property: opacity; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", Arial, sans-serif; font-size: 13px;">void perror(const char *str)</a>

<a href="http://www.runoob.com/cprogramming/c-function-clearerr.html" style="border: 0px; margin: 0px; padding: 0px; color: rgb(100, 133, 76); transition-duration: 0.2s; transition-property: opacity; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", Arial, sans-serif; font-size: 13px;">void clearerr(FILE *stream)</a>

变量类型

fpos_t

size_t

FILE

文件操作

<a href="http://www.runoob.com/cprogramming/c-function-fopen.html" style="border: 0px; margin: 0px; padding: 0px; color: rgb(100, 133, 76); transition-duration: 0.2s; transition-property: opacity; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", Arial, sans-serif; font-size: 13px;">FILE *fopen(const char *filename, const char *mode)</a>

<a href="http://www.runoob.com/cprogramming/c-function-freopen.html" style="border: 0px; margin: 0px; padding: 0px; color: rgb(100, 133, 76); transition-duration: 0.2s; transition-property: opacity; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", Arial, sans-serif; font-size: 13px;">FILE *freopen(const char *filename, const char *mode, FILE *stream)</a>

<a href="http://www.runoob.com/cprogramming/c-function-fclose.html" style="border: 0px; margin: 0px; padding: 0px; color: rgb(100, 133, 76); transition-duration: 0.2s; transition-property: opacity; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", Arial, sans-serif; font-size: 13px;">int fclose(FILE *stream)</a>

<a href="http://www.runoob.com/cprogramming/c-function-remove.html" style="border: 0px; margin: 0px; padding: 0px; color: rgb(100, 133, 76); transition-duration: 0.2s; transition-property: opacity; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", Arial, sans-serif; font-size: 13px;">int remove(const char *filename)</a>

<a href="http://www.runoob.com/cprogramming/c-function-rename.html" style="border: 0px; margin: 0px; padding: 0px; color: rgb(100, 133, 76); transition-duration: 0.2s; transition-property: opacity; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", Arial, sans-serif; font-size: 13px;">int rename(const char *old_filename, const char *new_filename)</a>

<a href="http://www.runoob.com/cprogramming/c-function-tmpfile.html" style="border: 0px; margin: 0px; padding: 0px; color: rgb(100, 133, 76); transition-duration: 0.2s; transition-property: opacity; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", Arial, sans-serif; font-size: 13px;">FILE *tmpfile(void)</a>

与缓存有关的操作

<a href="http://www.runoob.com/cprogramming/c-function-setbuf.html" style="border: 0px; margin: 0px; padding: 0px; color: rgb(100, 133, 76); transition-duration: 0.2s; transition-property: opacity; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", Arial, sans-serif; font-size: 13px;">void setbuf(FILE *stream, char *buffer)</a>

<a href="http://www.runoob.com/cprogramming/c-function-setvbuf.html" style="border: 0px; margin: 0px; padding: 0px; color: rgb(100, 133, 76); transition-duration: 0.2s; transition-property: opacity; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", Arial, sans-serif; font-size: 13px;">int setvbuf(FILE *stream, char *buffer, int mode, size_t size)</a>

<a href="http://www.runoob.com/cprogramming/c-function-fflush.html" style="border: 0px; margin: 0px; padding: 0px; color: rgb(100, 133, 76); transition-duration: 0.2s; transition-property: opacity; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", Arial, sans-serif; font-size: 13px;">int fflush(FILE *stream)</a>

文件流位置

获取位置

<a href="http://www.runoob.com/cprogramming/c-function-ftell.html" style="border: 0px; margin: 0px; padding: 0px; color: rgb(100, 133, 76); transition-duration: 0.2s; transition-property: opacity; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", Arial, sans-serif; font-size: 13px;">long int ftell(FILE *stream)</a>

<a href="http://www.runoob.com/cprogramming/c-function-fgetpos.html" style="border: 0px; margin: 0px; padding: 0px; color: rgb(100, 133, 76); transition-duration: 0.2s; transition-property: opacity; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", Arial, sans-serif; font-size: 13px;">int fgetpos(FILE *stream, fpos_t *pos)</a>

设置位置

<a href="http://www.runoob.com/cprogramming/c-function-fsetpos.html" style="border: 0px; margin: 0px; padding: 0px; color: rgb(100, 133, 76); transition-duration: 0.2s; transition-property: opacity; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", Arial, sans-serif; font-size: 13px;">int fsetpos(FILE *stream, const fpos_t *pos)</a>

<a href="http://www.runoob.com/cprogramming/c-function-fseek.html" style="border: 0px; margin: 0px; padding: 0px; color: rgb(100, 133, 76); transition-duration: 0.2s; transition-property: opacity; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", Arial, sans-serif; font-size: 13px;">int fseek(FILE *stream, long int offset, int whence)</a>

<a href="http://www.runoob.com/cprogramming/c-function-rewind.html" style="border: 0px; margin: 0px; padding: 0px; color: rgb(100, 133, 76); transition-duration: 0.2s; transition-property: opacity; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", Arial, sans-serif; font-size: 13px;">void rewind(FILE *stream)</a>

判断位置

<a href="http://www.runoob.com/cprogramming/c-function-feof.html" style="border: 0px; margin: 0px; padding: 0px; color: rgb(100, 133, 76); transition-duration: 0.2s; transition-property: opacity; font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", Arial, sans-serif; font-size: 13px;">int feof(FILE *stream)</a>

宏

NULL,EOF

stdin,stdout,stderr

BUFSIZ

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