third_party/ulib/musl/src/env/getenv.c

#include "libc.h"
#include <stdlib.h>
#include <string.h>

char* getenv(const char* name) {
    int i;
    size_t l = strlen(name);
    if (!__environ || !*name || strchr(name, '='))
        return NULL;
    for (i = 0; __environ[i] && (strncmp(name, __environ[i], l) || __environ[i][l] != '='); i++)
        ;
    if (__environ[i])
        return __environ[i] + l + 1;
    return NULL;
}