ref: fe1c4b0df744e9773a52356baaa91024c8e83e31
dir: /src/libc/arch/posix/getenv.c/
#include <stdlib.h> #include <string.h> #undef getenv extern const char **_environ; char * getenv(const char *name) { const char **p, *s; size_t len = strlen(name); for (p = _environ; s = *p; ++p) { if (!strncmp(name, s, len) && s[len] == '=') return (char *) s + len + 1; } return NULL; }