- It's typically faster.
POSIX says that only '0' through '9' are digits. Prefer ISDIGIT to
isdigit unless it's important to use the locale's definition
- of `digit' even when the host does not conform to POSIX. */
+ of "digit" even when the host does not conform to POSIX. */
# define ISDIGIT(c) ((unsigned int) (c) - '0' <= 9)
/* Return true if STR represents an unsigned decimal integer. */
#ifdef __DJGPP__
/* Pretend that we are the user U whose group is G. This makes
- pwd and grp functions ``know'' about the UID and GID of these. */
+ pwd and grp functions "know" about the UID and GID of these. */
if (u && !is_number (u))
setenv ("USER", u, 1);
if (g && !is_number (g))
Either user or group, or both, must be present.
If the group is omitted but the separator is given,
use the given user's login group.
- If SPEC contains a `:', then use that as the separator, ignoring
- any `.'s. If there is no `:', but there is a `.', then first look
+ If SPEC contains a ':', then use that as the separator, ignoring
+ any '.'s. If there is no ':', but there is a '.', then first look
up the entire SPEC as a login name. If that look-up fails, then
- try again interpreting the `.' as a separator.
+ try again interpreting the '.' as a separator.
USERNAME and GROUPNAME will be in newly malloc'd memory.
Either one might be NULL instead, indicating that it was not