• STANDARD I/O HIGH LEVEL API
• File Operations
• FILE *fopen(char *filename, char *mode)
• FILE *freopen(char *filename, char *mode, FILE *stream)
• int fflush(FILE *stream)
• int fclose(FILE *stream)
• Low Level File Descriptor
• FILE *fdopen(int fd, const char *mode)
• int fileno(FILE *stream)
• Formatted Output
• int fprintf(FILE *stream, char *format, ...)
• int printf(char *format, ...)
• int sprintf(char *s, char *format, ...)
• int snprintf(char *s, unsigned int size, char *format, ...)
• int asprintf(char **s, char *format, ...)
• Related Functions
• Formatted Input
• int fscanf(FILE *stream, char *format, ...)
• int scanf(char *format, ...)
• int sscanf(char *s, char *format, ...)
• Related Functions
• Character Input and Output
• int getc(FILE *stream)
• char *fgets(char *s, int n, FILE *stream)
• int fputc(int c, FILE *stream)
• int fputs(char *s, FILE *stream)
• int getc(FILE *stream)
• int getchar(void)
• char *gets(char *s)
• int putc(int c, FILE *stream)
• int putchar(int c)
• int puts(char *s)
• int ungetc(int c, FILE *stream)
• int getline(char **lineptr, int *n, FILE *stream)
• int getdelim(char **lineptr, int *n, int delim, FILE *stream)
• Direct Input and Output
• int fread(void *ptr, int size, int nobj, FILE *stream)
• int fwrite(void *ptr, int size, int nobj, FILE *stream)
• File Positioning
• int fseek(FILE *stream, long offset, int whence)
• long ftell(FILE *stream)
• void rewind(FILE *stream)
• int fgetpos(FILE *stream, fpos_t *ptr)
• int fsetpos(FILE *stream, fpos_t *ptr)
• Error Functions
• int feof(FILE *stream)
• int ferror(FILE *stream)