ref: 5a23b752eb15d69bb5daeb9134fd19a77e9fab33
parent: e8259861da3a55c03491904e4d11c5c15b7577c5
author: Jacob Moody <moody@posixcafe.org>
date: Mon Jul 12 17:42:39 EDT 2021
strcat(2): 0 → nil in manpage in refrence to pointers
--- a/sys/man/2/strcat
+++ b/sys/man/2/strcat
@@ -161,9 +161,7 @@
.I c
in string
.IR s ,
-or
-.L 0
-if
+or nil if
.I c
does not occur in the string.
The null byte terminating a string is considered to
@@ -174,8 +172,7 @@
.I s1
of any byte from string
.IR s2 ,
-.L 0
-if no byte from
+nil if no byte from
.I s2
exists in
.IR s1 .
@@ -205,9 +202,7 @@
between separate calls; subsequent calls,
signified by
.I s1
-being
-.LR 0 ,
-will work through the string
+being nil, will work through the string
.I s1
immediately following that token.
The separator string
@@ -215,8 +210,7 @@
may be different from call to call.
When no token remains in
.IR s1 ,
-.L 0
-is returned.
+nil is returned.
.PP
.I Strdup
returns a pointer to a distinct copy of the null-terminated string
@@ -223,9 +217,7 @@
.I s
in space obtained from
.IR malloc (2)
-or
-.L 0
-if no space can be obtained.
+or nil if no space can be obtained.
.PP
.I Strstr
returns a pointer to the first occurrence of
@@ -232,7 +224,7 @@
.I s2
as a substring of
.IR s1 ,
-or 0 if there is none.
+or nil if there is none.
If
.I s2
is the null string,