stdio.h – cstdio

fclose() int fclose(FILE * stream);
feof() int feof (FILE * stream);
fflush() int fflush(FILE * stream);
fgetc() int fgetc(FILE * stream);
fgets()
char* fgets(char* str, int num, FILE* stream);

num è il numero di caratteri da copiare al massimo in str (compreso il carattere di fine stringa)

fopen() FILE * fopen(const char * filename, const char * mode);
fprintf int fprintf(FILE *stream, const char * format, … );
fputc int fputc(int character, FILE * stream);
fputs int fputs(const char * str, FILE * stream);
fread() size_t fread(void * ptr, size_t size, size_t count, FILE * stream);
fscanf() int fscanf(FILE * stream, const char * format, …);
fseek() int fseek(FILE * stream, long int offset, int origin);
ftell() long int ftell(FILE * stream);
fwrite() size_t fwrite(const void * ptr, size_t size, size_t count, FILE * stream);
getc()
getchar()
gets()
perror()
printf()
putc()
putchar()
puts()
remove()
rename()
rewind()