ref: fe2b29d13bac3ab3c16490b859f452201c6b4c77
dir: /src/libc/stdio/fopen.c/
#include <errno.h> #include <stdio.h> #include "../libc.h" #undef fopen FILE * fopen(const char * restrict name, const char * restrict mode) { FILE *fp; for (fp = __iob; fp < &__iob[FOPEN_MAX]; ++fp) { if ((fp->flags & (_IOREAD | _IOWRITE | _IORW)) == 0) break; } if (fp == &__iob[FOPEN_MAX]) { errno = ENOMEM; return NULL; } return _fpopen(name, mode, fp); }