Linux操作系统—标准IO库(5)(2015-8-6)
分类:Linux操作系统
总结篇
文件流
打开流
#include <stdio.h>
FILE *fopen(const char *path, const char *mode);
FILE *fdopen(int fd, const char mode);
FILE *freopen(const char *path, const char *mode, FILE *stream);
关闭流
#include <stdio.h>
int fclose(FILE *fp);
字符I/O
读字符
#include <stdio.h>
int fgetc(FILE *stream);
int getc(FILE *stream);
int getchar(void);
写字符
#include <stdio.h>
int fputc(int c, FILE *stream);
int putc(int c, FILE *stream);
int putchar(int c);
行I/O
读行
#include <stdio.h>
char *fgets(char *s, int size, FILE *stream);
char *gets(char *s);
写行
#include <stdio.h>
int fputs(const char *s, FILE *stream);
int puts(const char *s);
二进制I/O
读二进制流
#include <stdio.h>
size_t fread(void *ptr, size_t size, size_t nitems, FILE *stream);
写二进制流
#include <stdio.h>
size_t fwrite(const void *ptr, size_t size, size_t nitems, FILE *stream);
定位流
#include <stdio.h>
int fseek(FILE *stream, long offset, int whence);
格式化I/O
格式化输出
#include <stdio.h>
int printf(const char *format, ...);
int fprintf(FILE *stream, const char *format, ...);
int sprintf(char *str, const char *format, ...);
int snprintf(char *str, size_t size, const char *format, ...);
格式化输入
#include <stdio.h>
int scanf(const char *format, ...);
int fscanf(FILE *stream, const char *format, ...);
int sscanf(const char *str, const char *format, ...);
临时文件
#include <stdio.h>
char *tmpnam(char *s);
char *tmpfile(void);
文件流和文件描述符
#include <stdio.h>
int fileno(FILE *stream);