4372 |
@file{sys/time.h} includes @file{time.h}, but @file{time.h} is not |
@file{sys/time.h} includes @file{time.h}, but @file{time.h} is not |
4373 |
protected against multiple inclusion, so programs should not explicitly |
protected against multiple inclusion, so programs should not explicitly |
4374 |
include both files. This macro is useful in programs that use, for |
include both files. This macro is useful in programs that use, for |
4375 |
example, @code{struct timeval} or @code{struct timezone} as well as |
example, @code{struct timeval} as well as |
4376 |
@code{struct tm}. It is best used in conjunction with |
@code{struct tm}. It is best used in conjunction with |
4377 |
@code{HAVE_SYS_TIME_H}, which can be checked for using |
@code{HAVE_SYS_TIME_H}, which can be checked for using |
4378 |
@code{AC_CHECK_HEADERS(sys/time.h)}. |
@code{AC_CHECK_HEADERS(sys/time.h)}. |