• STANDARD I/O (stdio.h)
• General
• File Operations
• FILE *fopen(char *name, unsigned char *mode)
• FILE *freopen(char *name, unsigned char *mode, FILE *fp)
• int fflush(FILE *)
• int fclose(FILE *fp)
• extern int remove(char *name)
• int rename(char *s, char *d)
• Character Input and Output Functions
• int fgetc(FILE *fp)
• char *fgets(unsigned char *s, int n, FILE *fp)
• int fputc(int c, FILE *fp)
• int fputs(unsigned char *s, FILE *fp)
• int gets(char *s)
• int puts(unsigned char *s)
• int ungetc(int c, FILE *fp)
• Direct Input and Output Functions
• int fread(void *ptr, int size, int num, FILE *fp)
• int fwrite(void *ptr, int size, int num, FILE *fp)
• File Positioning Functions
• int fseek(FILE *fp, fpos_t offset, int whence)
• fpos_t ftell(FILE *fp)
• int fgetpos(FILE *fp, fpos_t *pos)
• int feof(FILE *fp)
• Formatted Input and Output Functions
• int printf(char *,...)
• int fprintf(FILE *,char *,...)
• int sprintf(char *,char *,...)
• int vsprintf(char *str,unsigned char *fmt,void *ap)
• int scanf(unsigned char *fmt,...)
• int fscanf(FILE *,unsigned char *fmt,...)
• int sscanf(char *,unsigned char *fmt,...)
• int vfscanf(FILE *, unsigned char *fmt, void *ap)
• int vsscanf(char *str, unsigned char *fmt, void *ap)
• Streamlined Console Functions
• int fgetc_cons()
• int fputc_cons(char c)
• int fgets_cons(char *s, int n)
• void puts_cons()
• void printk(char *fmt,...)
• int getk()
• Non-standard functions
• printn(int number, int radix,FILE *file)
• int ltoa_any(long in,unsigned char *str, int sz, unsigned int radix, int signflag)
• FILE *fdopen(int fildes, unsigned char *mode)
• long fdtell(int fd)
• int fdgetpos(int fd, fpos_t *posn)
• void closeall()
• void fabandon(FILE *)
• Internal Functions
• int getarg(void)
• int fchkstd(FILE *)