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Diffstat (limited to 'mcon/U/d_ttyname.U')
| -rw-r--r-- | mcon/U/d_ttyname.U | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/mcon/U/d_ttyname.U b/mcon/U/d_ttyname.U new file mode 100644 index 0000000..f6235d3 --- /dev/null +++ b/mcon/U/d_ttyname.U @@ -0,0 +1,47 @@ +?RCS: $Id: d_backtrace.U 65 2011-01-01 22:01:00Z rmanfredi $ +?RCS: +?RCS: Copyright (c) 2011, Raphael Manfredi +?RCS: Copyright (c) 2011, Christian Biere +?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: +?RCS: $Log: d_semget.U,v $ +?RCS: +?MAKE:d_ttyname: Trylink cat i_unistd +?MAKE: -pick add $@ %< +?S:d_ttyname: +?S: This variable conditionally defines the HAS_TTYNAME symbol, which +?S: indicates to the C program that the ttyname() routine is available +?S: to determine the pathname of the terminal associated with +?S: a file descriptor. +?S:. +?C:HAS_TTYNAME: +?C: This symbol, if defined, indicates that the ttyname() routine is +?C: available to determine the pathname of the terminal associated with +?C: a file descriptor. The <unistd.h> header must be included to use +?C: this routine. +?C:. +?H:#$d_ttyname HAS_TTYNAME /**/ +?H:. +?LINT:set d_ttyname +: see if ttyname exists +$cat >try.c <<EOC +#$i_unistd I_UNISTD +#ifdef I_UNISTD +#include <unistd.h> +#endif +int main(void) +{ + char *name = ttyname(1); + char c = *ttyname(2); + return name[0] == c ? 0 : 1; +} +EOC +cyn=ttyname +set d_ttyname +eval $trylink + |