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#include <stdlib.h>
#include "string.h"
#include "_stdlib.h"
/** get an environment variable **/
char * getenv(const char * name)
{
char **environ = __stdlib.environ;
size_t len = strlen(name);
size_t i = 0;
for (i = 0; environ[i] != NULL; i++) {
if (!strncmp(environ[i], name, len) && environ[i][len] == '=') {
break;
}
}
return environ[i];
}
/***
read the environment variable ARGUMENT(name) from the host environment.
***/
/*
UNDEFINED(Modifying the returned string)
IMPLEMENTATION(The set of environment variable names)
IMPLEMENTATION(The method of altering the environment)
RETURN_FAILURE(CONSTANT(NULL))
RETURN_SUCCESS(a pointer to the environment string)
STDC(1)
*/
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