/* * stdio.h * * the standard i/o header */ #define FILE char #define EOF (-1) #define NULL (0L) extern FILE *stdin, *stdout, *stderr, *fopen(); extern long mfree(), time(), strtol(); extern char *gets(), *fgets(), *malloc(), *realloc(), *calloc(); extern char *strcat(), *strncat(), *strcpy(), *strncpy(); extern char *strchr(), *strrchr(), *strpbrk(), *strtok(); extern char *strlower(), *strupper();