diff options
Diffstat (limited to 'man3/strtok.3')
| -rw-r--r-- | man3/strtok.3 | 31 |
1 files changed, 15 insertions, 16 deletions
diff --git a/man3/strtok.3 b/man3/strtok.3 index 6f01530..8454776 100644 --- a/man3/strtok.3 +++ b/man3/strtok.3 @@ -10,7 +10,7 @@ .\" 2005-11-17, mtk: Substantial parts rewritten .\" 2013-05-19, mtk: added much further detail on the operation of strtok() .\" -.TH strtok 3 2023-07-20 "Linux man-pages 6.05.01" +.TH strtok 3 2023-10-31 "Linux man-pages 6.7" .SH NAME strtok, strtok_r \- extract tokens from strings .SH LIBRARY @@ -19,17 +19,17 @@ Standard C library .SH SYNOPSIS .nf .B #include <string.h> -.PP +.P .BI "char *strtok(char *restrict " str ", const char *restrict " delim ); .BI "char *strtok_r(char *restrict " str ", const char *restrict " delim , .BI " char **restrict " saveptr ); .fi -.PP +.P .RS -4 Feature Test Macro Requirements for glibc (see .BR feature_test_macros (7)): .RE -.PP +.P .BR strtok_r (): .nf _POSIX_C_SOURCE @@ -47,7 +47,7 @@ specified in In each subsequent call that should parse the same string, .I str must be NULL. -.PP +.P The .I delim argument specifies a set of bytes that @@ -56,7 +56,7 @@ The caller may specify different strings in .I delim in successive calls that parse the same string. -.PP +.P Each call to .BR strtok () returns a pointer to a @@ -65,7 +65,7 @@ This string does not include the delimiting byte. If no more tokens are found, .BR strtok () returns NULL. -.PP +.P A sequence of calls to .BR strtok () that operate on the same string maintains a pointer @@ -85,7 +85,7 @@ returns NULL. will thus cause .BR strtok () to return NULL on the first call.) -.PP +.P The end of each token is found by scanning forward until either the next delimiter byte is found or until the terminating null byte (\[aq]\e0\[aq]) is encountered. @@ -98,7 +98,7 @@ when searching for the next token. In this case, .BR strtok () returns a pointer to the start of the found token. -.PP +.P From the above description, it follows that a sequence of two or more contiguous delimiter bytes in the parsed string is considered to be a single delimiter, and that @@ -112,7 +112,7 @@ successive calls to that specify the delimiter string "\fI;,\fP" would return the strings "\fIaaa\fP" and "\fIbbb\fP", and then a null pointer. -.PP +.P The .BR strtok_r () function is a reentrant version of @@ -125,7 +125,7 @@ variable that is used internally by .BR strtok_r () in order to maintain context between successive calls that parse the same string. -.PP +.P On the first call to .BR strtok_r (), .I str @@ -138,7 +138,7 @@ should be NULL, and .I saveptr (and the buffer that it points to) should be unchanged since the previous call. -.PP +.P Different strings may be parsed concurrently using sequences of calls to .BR strtok_r () that specify different @@ -170,7 +170,6 @@ T{ .BR strtok_r () T} Thread safety MT-Safe .TE -.sp 1 .SH VERSIONS On some implementations, .\" Tru64, according to its manual page @@ -218,9 +217,9 @@ The second argument specifies the delimiter byte(s) to be used to separate that string into "major" tokens. The third argument specifies the delimiter byte(s) to be used to separate the "major" tokens into subtokens. -.PP +.P An example of the output produced by this program is the following: -.PP +.P .in +4n .EX .RB "$" " ./a.out \[aq]a/bbb///cc;xxx:yyy:\[aq] \[aq]:;\[aq] \[aq]/\[aq]" @@ -273,7 +272,7 @@ main(int argc, char *argv[]) } .EE .\" SRC END -.PP +.P Another example program using .BR strtok () can be found in |