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Diffstat (limited to '')
| -rw-r--r-- | man3/abs.3 | 21 |
1 files changed, 10 insertions, 11 deletions
@@ -12,7 +12,7 @@ .\" Modified Sat Jul 24 21:45:37 1993, Rik Faith (faith@cs.unc.edu) .\" Modified Sat Dec 16 15:02:59 2000, Joseph S. Myers .\" -.TH abs 3 2023-07-20 "Linux man-pages 6.05.01" +.TH abs 3 2023-10-31 "Linux man-pages 6.7" .SH NAME abs, labs, llabs, imaxabs \- compute the absolute value of an integer .SH LIBRARY @@ -21,21 +21,21 @@ Standard C library .SH SYNOPSIS .nf .B #include <stdlib.h> -.PP +.P .BI "int abs(int " j ); .BI "long labs(long " j ); .BI "long long llabs(long long " j ); -.PP +.P .B #include <inttypes.h> -.PP +.P .BI "intmax_t imaxabs(intmax_t " j ); .fi -.PP +.P .RS -4 Feature Test Macro Requirements for glibc (see .BR feature_test_macros (7)): .RE -.PP +.P .BR llabs (): .nf _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L @@ -72,7 +72,6 @@ T{ .BR imaxabs () T} Thread safety MT-Safe .TE -.sp 1 .SH STANDARDS C11, POSIX.1-2008. .SH HISTORY @@ -80,7 +79,7 @@ POSIX.1-2001, C99, SVr4, 4.3BSD. .\" POSIX.1 (1996 edition) requires only the .\" .BR abs () .\" function. -.PP +.P C89 only includes the .BR abs () @@ -94,20 +93,20 @@ were added in C99. .SH NOTES Trying to take the absolute value of the most negative integer is not defined. -.PP +.P The .BR llabs () function is included since glibc 2.0. The .BR imaxabs () function is included since glibc 2.1.1. -.PP +.P For .BR llabs () to be declared, it may be necessary to define \fB_ISOC99_SOURCE\fP or \fB_ISOC9X_SOURCE\fP (depending on the version of glibc) before including any standard headers. -.PP +.P By default, GCC handles .BR abs (), |