stdio.h

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