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#include <stdio.h> size_t fread_nofail(void * const ptr, size_t const size, size_t const nmemb, FILE * const streamP); int fgetc_nofail(FILE * const streamP); int fseek_nofail(FILE * const streamP, long const offset, int const whence); long ftell_nofail(FILE * const streamP); char * fgets_nofail(char * const s, int const size, FILE * const streamP);