mdw@git.distorted.org.uk Git - qmail/blob - envread.c

   1 #include "env.h"
   2 #include "str.h"
   3
   4 extern /*@null@*/char *env_get(s)
   5 char *s;
   6 {
   7   int i;
   8   unsigned int slen;
   9   char *envi;
  10
  11   slen = str_len(s);
  12   for (i = 0;envi = environ[i];++i)
  13     if ((!str_diffn(s,envi,slen)) && (envi[slen] == '='))
  14       return envi + slen + 1;
  15   return 0;
  16 }
  17
  18 extern char *env_pick()
  19 {
  20   return environ[0];
  21 }
  22
  23 extern char *env_findeq(s)
  24 char *s;
  25 {
  26   for (;*s;++s)
  27     if (*s == '=')
  28       return s;
  29   return 0;
  30 }