summaryrefslogtreecommitdiffstats
path: root/man3/strcmp.3
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--man3/strcmp.321
1 files changed, 10 insertions, 11 deletions
diff --git a/man3/strcmp.3 b/man3/strcmp.3
index 57b378e..78fdf68 100644
--- a/man3/strcmp.3
+++ b/man3/strcmp.3
@@ -11,7 +11,7 @@
.\" Modified Sat Jul 24 18:08:52 1993 by Rik Faith (faith@cs.unc.edu)
.\" Modified 2001-08-31, aeb
.\"
-.TH strcmp 3 2023-07-20 "Linux man-pages 6.05.01"
+.TH strcmp 3 2023-10-31 "Linux man-pages 6.7"
.SH NAME
strcmp, strncmp \- compare two strings
.SH LIBRARY
@@ -20,7 +20,7 @@ Standard C library
.SH SYNOPSIS
.nf
.B #include <string.h>
-.PP
+.P
.BI "int strcmp(const char *" s1 ", const char *" s2 );
.BI "int strncmp(const char " s1 [. n "], const char " s2 [. n "], size_t " n );
.fi
@@ -34,7 +34,7 @@ and
The locale is not taken into account (for a locale-aware comparison, see
.BR strcoll (3)).
The comparison is done using unsigned characters.
-.PP
+.P
.BR strcmp ()
returns an integer indicating the result of the comparison, as follows:
.IP \[bu] 3
@@ -53,7 +53,7 @@ a positive value if
.I s1
is greater than
.IR s2 .
-.PP
+.P
The
.BR strncmp ()
function is similar, except it compares
@@ -91,18 +91,17 @@ T{
.BR strncmp ()
T} Thread safety MT-Safe
.TE
-.sp 1
.SH VERSIONS
POSIX.1 specifies only that:
.RS
-.PP
+.P
The sign of a nonzero return value shall be determined by the sign
of the difference between the values of the first pair of bytes
(both interpreted as type
.IR "unsigned char" )
that differ in the strings being compared.
.RE
-.PP
+.P
In glibc, as in most other implementations,
the return value is the arithmetic result of subtracting
the last compared byte in
@@ -122,7 +121,7 @@ The program below can be used to demonstrate the operation of
(when given three arguments).
First, some examples using
.BR strcmp ():
-.PP
+.P
.in +4n
.EX
$ \fB./string_comp ABC ABC\fP
@@ -137,16 +136,16 @@ $ .\fB/string_comp $\[aq]\e201\[aq] A\fP # 0201 \- 0101 = 0100 (or 64 decimal)
<str1> is greater than <str2> (64)
.EE
.in
-.PP
+.P
The last example uses
.BR bash (1)-specific
syntax to produce a string containing an 8-bit ASCII code;
the result demonstrates that the string comparison uses unsigned
characters.
-.PP
+.P
And then some examples using
.BR strncmp ():
-.PP
+.P
.in +4n
.EX
$ \fB./string_comp ABC AB 3\fP