stdio.h

   1 #include <stdarg.h>
   2
   3 #define EOF             (-1)
   4 #define putc(c, fp)     (fputc(c, fp))
   5 #define getc(fp)        (fgetc(fp))
   6
   7 typedef struct {
   8         int fd;
   9         int back;               /* pushback buffer */
  10         char *ibuf, *obuf;      /* input/output buffer */
  11         int isize, osize;       /* ibuf size */
  12         int ilen, olen;         /* length of data in buf */
  13         int iown, oown;         /* free the buffer when finished */
  14         int icur;               /* current position in ibuf */
  15         int ostat;
  16 } FILE;
  17
  18 extern FILE *stdin;
  19 extern FILE *stdout;
  20 extern FILE *stderr;
  21
  22 FILE *fopen(char *path, char *mode);
  23 int fclose(FILE *fp);
  24 int fflush(FILE *fp);
  25 void setbuf(FILE *fp, char *buf);
  26
  27 int fputc(int c, FILE *fp);
  28 int putchar(int c);
  29 int printf(char *fmt, ...);
  30 int vprintf(char *fmt, va_list ap);
  31 int fprintf(FILE *fp, char *fmt, ...);
  32 int sprintf(char *dst, char *fmt, ...);
  33 int vsprintf(char *dst, char *fmt, va_list ap);
  34 int vfprintf(FILE *fp, char *fmt, va_list ap);
  35 int snprintf(char *dst, int sz, char *fmt, ...);
  36 int vsnprintf(char *dst, int sz, char *fmt, va_list ap);
  37 int fputs(char *s, FILE *fp);
  38 int puts(char *s);
  39
  40 int fgetc(FILE *fp);
  41 char *fgets(char *s, int sz, FILE *fp);
  42 int scanf(char *fmt, ...);
  43 int fscanf(FILE *fp, char *fmt, ...);
  44 int sscanf(char *s, char *fmt, ...);
  45 int vsscanf(char *s, char *fmt, va_list ap);
  46 int vfscanf(FILE *fp, char *fmt, va_list ap);
  47 int getchar(void);
  48 int ungetc(int c, FILE *fp);
  49 long fwrite(void *s, long sz, long n, FILE *fp);
  50 long fread(void *s, long sz, long n, FILE *fp);
  51
  52 void perror(char *s);