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Diffstat (limited to 'mcon/U/d_bsearch.U')
-rw-r--r-- | mcon/U/d_bsearch.U | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/mcon/U/d_bsearch.U b/mcon/U/d_bsearch.U new file mode 100644 index 0000000..17ac23a --- /dev/null +++ b/mcon/U/d_bsearch.U @@ -0,0 +1,39 @@ +?RCS: +?RCS: Copyright (c) 2015 Raphael Manfredi +?RCS: +?RCS: You may redistribute only under the terms of the Artistic License, +?RCS: as specified in the README file that comes with the distribution. +?RCS: You may reuse parts of this distribution only within the terms of +?RCS: that same Artistic License; a copy of which may be found at the root +?RCS: of the source tree for dist 4.0. +?RCS: +?MAKE:d_bsearch: Trylink cat +?MAKE: -pick add $@ %< +?S:d_bsearch: +?S: This variable conditionally defines the HAS_BSEARCH symbol, which +?S: indicates to the C program that it can use the bsearch() routine +?S: to perform a binary search on a sorted array. +?S:. +?C:HAS_BSEARCH: +?C: This symbol, if defined, indicates that the bsearch() routine +?C: is available to perform a binary search on a sorted array. +?C:. +?H:#$d_bsearch HAS_BSEARCH /**/ +?H:. +?LINT:set d_bsearch +: see if there is a bsearch +$cat >try.c <<EOC +#include <stdlib.h> +int mycmp(const void *a, const void *b) +{ + return (char *) a - (char *) b; +} +int main(int argc, char **argv) +{ + return NULL == bsearch("foo", argv, argc, sizeof argv[0], mycmp); +} +EOC +cyn=bsearch +set d_bsearch +eval $trylink + |