indicates to the C program that the chsize() routine is available
to truncate files. You might need a -lx to get this routine.
+d_class (d_class.U):
+ This variable conditionally defines the HAS_CLASS symbol, which
+ indicates to the C program that the class() routine is available.
+
d_closedir (d_closedir.U):
This variable conditionally defines HAS_CLOSEDIR if closedir() is
available.
This variable conditionally defines the HAS_DIFFTIME symbol, which
indicates to the C program that the difftime() routine is available.
+d_dirfd (d_dirfd.U):
+ This variable conditionally defines the HAS_DIRFD constant,
+ which indicates to the C program that dirfd() is available
+ to return the file descriptor of a directory stream.
+
d_dirnamlen (i_dirent.U):
This variable conditionally defines DIRNAMLEN, which indicates
to the C program that the length of directory entry names is
This variable conditionally defines HAS_FGETPOS if fgetpos() is
available to get the file position indicator.
+d_finite (d_finite.U):
+ This variable conditionally defines the HAS_FINITE symbol, which
+ indicates to the C program that the finite() routine is available.
+
+d_finitel (d_finitel.U):
+ This variable conditionally defines the HAS_FINITEL symbol, which
+ indicates to the C program that the finitel() routine is available.
+
d_flexfnam (d_flexfnam.U):
This variable conditionally defines the FLEXFILENAMES symbol, which
indicates that the system supports filenames longer than 14 characters.
This variable conditionally defines the HAS_FORK symbol, which
indicates to the C program that the fork() routine is available.
+d_fp_class (d_fp_class.U):
+ This variable conditionally defines the HAS_FP_CLASS symbol, which
+ indicates to the C program that the fp_class() routine is available.
+
d_fpathconf (d_pathconf.U):
This variable conditionally defines the HAS_FPATHCONF symbol, which
indicates to the C program that the pathconf() routine is available
to determine file-system related limits and options associated
with a given open file descriptor.
+d_fpclass (d_fpclass.U):
+ This variable conditionally defines the HAS_FPCLASS symbol, which
+ indicates to the C program that the fpclass() routine is available.
+
+d_fpclassify (d_fpclassify.U):
+ This variable conditionally defines the HAS_FPCLASSIFY symbol, which
+ indicates to the C program that the fpclassify() routine is available.
+
+d_fpclassl (d_fpclassl.U):
+ This variable conditionally defines the HAS_FPCLASSL symbol, which
+ indicates to the C program that the fpclassl() routine is available.
+
d_fpos64_t (d_fpos64_t.U):
This symbol will be defined if the C compiler supports fpos64_t.
This variable conditionally defines HAS_HTONL if htonl() and its
friends are available to do network order byte swapping.
-d_iconv (d_iconv.U):
- This variable conditionally defines the HAS_ICONV symbol, which
- indicates to the C program that the iconv() routine is available.
-
d_index (d_strchr.U):
This variable conditionally defines HAS_INDEX if index() and
rindex() are available for string searching.
This variable conditionally defines the HAS_ISASCII constant,
which indicates to the C program that isascii() is available.
+d_isfinite (d_isfinite.U):
+ This variable conditionally defines the HAS_ISFINITE symbol, which
+ indicates to the C program that the isfinite() routine is available.
+
+d_isinf (d_isinf.U):
+ This variable conditionally defines the HAS_ISINF symbol, which
+ indicates to the C program that the isinf() routine is available.
+
d_isnan (d_isnan.U):
This variable conditionally defines the HAS_ISNAN symbol, which
indicates to the C program that the isnan() routine is available.
The 'U' in the name is to separate this from d_PRIx64 so that even
case-blind systems can see the difference.
+d_procselfexe (d_procselfexe.U):
+ Defined if $procselfexe is symlink to the absolute
+ pathname of the executing program.
+
+d_pthread_atfork (d_pthread_atfork.U):
+ This variable conditionally defines the HAS_PTHREAD_ATFORK symbol,
+ which indicates to the C program that the pthread_atfork()
+ routine is available.
+
d_pthread_yield (d_pthread_y.U):
This variable conditionally defines the HAS_PTHREAD_YIELD
symbol if the pthread_yield routine is available to yield
This variable conditionally defines HAS_UNION_SEMUN if the
union semun is defined by including <sys/sem.h>.
+d_unordered (d_unordered.U):
+ This variable conditionally defines the HAS_UNORDERED symbol, which
+ indicates to the C program that the unordered() routine is available.
+
d_usleep (d_usleep.U):
This variable conditionally defines HAS_USLEEP if usleep() is
available to do high granularity sleeps.
and is typically used to test whether a particular extesion
is available.
+extras (Extras.U):
+ This variable holds a list of extra modules to install.
+
fflushall (fflushall.U):
This symbol, if defined, tells that to flush
all pending stdio output one must loop through all
whether a C program may include <float.h> to get symbols like DBL_MAX
or DBL_MIN, i.e. machine dependent floating point values.
+i_fp (i_fp.U):
+ This variable conditionally defines the I_FP symbol, and indicates
+ whether a C program should include <fp.h>.
+
+i_fp_class (i_fp_class.U):
+ This variable conditionally defines the I_FP_CLASS symbol, and indicates
+ whether a C program should include <fp_class.h>.
+
i_gdbm (i_gdbm.U):
This variable conditionally defines the I_GDBM symbol, which
indicates to the C program that <gdbm.h> exists and should
This variable conditionally defines the I_GRP symbol, and indicates
whether a C program should include <grp.h>.
-i_iconv (i_iconv.U):
- This variable conditionally defines the I_ICONV symbol, and indicates
- whether a C program should include <iconv.h>.
-
i_ieeefp (i_ieeefp.U):
This variable conditionally defines the I_IEEEFP symbol, and indicates
whether a C program should include <ieeefp.h>.
This variable is the ~name expanded version of privlib, so that you
may use it directly in Makefiles or shell scripts.
+procselfexe (d_procselfexe.U):
+ If d_procselfexe is defined, $procselfexe is the filename
+ of the symbolic link pointing to the absolute pathname of
+ the executing program.
+
prototype (prototype.U):
This variable holds the eventual value of CAN_PROTOTYPE, which
indicates the C compiler can handle funciton prototypes.