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declare environ in unistd.h when _GNU_SOURCE feature test macro is used

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lots of broken programs expect this, and it's gotten to the point of
being a troubleshooting FAQ topic. best to just fix it.
This commit is contained in:
Rich Felker 2012-06-02 16:51:04 -04:00
parent 19e48c5531
commit d200bd727b
1 changed files with 1 additions and 0 deletions
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include/unistd.h
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@ -168,6 +168,7 @@ char *getusershell(void);
#endif
#ifdef _GNU_SOURCE
extern char **environ;
int setresuid(uid_t, uid_t, uid_t);
int setresgid(gid_t, gid_t, gid_t);
int getresuid(uid_t *, uid_t *, uid_t *);