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.TH "UNW\\_IS\\_FPREG" "3" "20 January 2004" "Programming Library " "Programming Library "
.SH NAME
unw_is_fpreg
\-\- check if a register is a floating\-point register 
.PP
.SH SYNOPSIS

.PP
#include <libunwind.h>
.br
.PP
int
unw_is_fpreg(unw_regnum_t
reg);
.br
.PP
.SH DESCRIPTION

.PP
The unw_is_fpreg()
routine checks whether register number 
reg
is a floating\-point register. 
.PP
This routine is normally implemented as a macro and applications 
should not attempt to take its address. 
.PP
.SH RETURN VALUE

.PP
The unw_is_fpreg()
routine returns a non\-zero value if 
reg
is a floating\-point register. Otherwise, it returns a value 
of 0. 
.PP
.SH THREAD AND SIGNAL SAFETY

.PP
unw_is_fpreg()
is thread\-safe as well as safe to use 
from a signal handler. 
.PP
.SH SEE ALSO

.PP
libunwind(3),
unw_get_reg(3),
unw_set_reg(3),
unw_get_fpreg(3),
unw_set_fpreg(3)
.PP
.SH AUTHOR

.PP
David Mosberger\-Tang
.br 
Hewlett\-Packard Labs
.br 
Palo\-Alto, CA 94304
.br 
Email: \fBdavidm@hpl.hp.com\fP
.br
WWW: \fBhttp://www.hpl.hp.com/research/linux/libunwind/\fP\&.
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