env_getvalue
return((char *)env_getvalue((unsigned char *)val));
unsigned char * env_getvalue(unsigned char *var);
unsigned char *env_getvalue (unsigned char *);
vp = env_getvalue(ep);
if (env_getvalue((unsigned char *)"DISPLAY"))
if (env_getvalue((unsigned char *)"DISPLAY"))
if ((tname = (char *)env_getvalue((unsigned char *)"TERM")) &&
if ((dp = env_getvalue((unsigned char *)"DISPLAY")) == NULL) {