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| author | rsc <devnull@localhost> | 2005-01-14 03:45:44 +0000 |
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| committer | rsc <devnull@localhost> | 2005-01-14 03:45:44 +0000 |
| commit | 78e51a8c6678b6e3dff3d619aa786669f531f4bc (patch) | |
| tree | 015e00fde4fc837fd31b705e18d17dc913829388 /man/man3/strcat.html | |
| parent | 2634795b5f0053bc0ff08e5d7bbc0eda8efea061 (diff) | |
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diff --git a/man/man3/strcat.html b/man/man3/strcat.html new file mode 100644 index 00000000..542ebd25 --- /dev/null +++ b/man/man3/strcat.html @@ -0,0 +1,203 @@ +<head> +<title>strcat(3) - Plan 9 from User Space</title> +<meta content="text/html; charset=utf-8" http-equiv=Content-Type> +</head> +<body bgcolor=#ffffff> +<table border=0 cellpadding=0 cellspacing=0 width=100%> +<tr height=10><td> +<tr><td width=20><td> +<tr><td width=20><td><b>STRCAT(3)</b><td align=right><b>STRCAT(3)</b> +<tr><td width=20><td colspan=2> + <br> +<p><font size=+1><b>NAME </b></font><br> + +<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + strcat, strncat, strcmp, strncmp, cistrcmp, cistrncmp, strcpy, + strncpy, strecpy, strlen, strchr, strrchr, strpbrk, strspn, strcspn, + strtok, strdup, strstr, cistrstr – string operations<br> + +</table> +<p><font size=+1><b>SYNOPSIS </b></font><br> + +<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + <tt><font size=+1>#include <u.h><br> + #include <libc.h> + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + </font></tt> + <tt><font size=+1>char* strcat(char *s1, char *s2) + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + </font></tt> + <tt><font size=+1>char* strncat(char *s1, char *s2, long n) + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + </font></tt> + <tt><font size=+1>int strcmp(char *s1, char *s2) + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + </font></tt> + <tt><font size=+1>int strncmp(char *s1, char *s2, long n) + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + </font></tt> + <tt><font size=+1>int cistrcmp(char *s1, char *s2) + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + </font></tt> + <tt><font size=+1>int cistrncmp(char *s1, char *s2, long n) + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + </font></tt> + <tt><font size=+1>char* strcpy(char *s1, char *s2) + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + </font></tt> + <tt><font size=+1>char* strecpy(char *s1, char *es1, char *s2) + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + </font></tt> + <tt><font size=+1>char* strncpy(char *s1, char *s2, long n) + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + </font></tt> + <tt><font size=+1>long strlen(char *s) + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + </font></tt> + <tt><font size=+1>char* strchr(char *s, char c) + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + </font></tt> + <tt><font size=+1>char* strrchr(char *s, char c) + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + </font></tt> + <tt><font size=+1>char* strpbrk(char *s1, char *s2) + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + </font></tt> + <tt><font size=+1>long strspn(char *s1, char *s2) + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + </font></tt> + <tt><font size=+1>long strcspn(char *s1, char *s2) + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + </font></tt> + <tt><font size=+1>char* strtok(char *s1, char *s2) + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + </font></tt> + <tt><font size=+1>char* strdup(char *s) + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + </font></tt> + <tt><font size=+1>char* strstr(char *s1, char *s2) + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + </font></tt> + <tt><font size=+1>char* cistrstr(char *s1, char *s2)<br> + </font></tt> +</table> +<p><font size=+1><b>DESCRIPTION </b></font><br> + +<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + The arguments <i>s1, s2</i> and <i>s</i> point to null-terminated strings. The + functions <i>strcat</i>, <i>strncat</i>, <i>strcpy</i>, <i>strecpy</i>, and <i>strncpy</i> all alter + <i>s1</i>. <i>Strcat</i> and <i>strcpy</i> do not check for overflow of the array pointed + to by <i>s1</i>. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + <i>Strcat</i> appends a copy of string <i>s2</i> to the end of string <i>s1</i>. <i>Strncat</i> + appends at most <i>n</i> bytes. Each returns a pointer to the null-terminated + result. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + <i>Strcmp</i> compares its arguments and returns an integer less than, + equal to, or greater than 0, according as <i>s1</i> is lexicographically + less than, equal to, or greater than <i>s2</i>. <i>Strncmp</i> makes the same + comparison but examines at most <i>n</i> bytes. <i>Cistrcmp</i> and <i>cistrncmp</i> + ignore ASCII case distinctions when comparing strings. + The comparisons are made with unsigned bytes. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + <i>Strcpy</i> copies string <i>s2</i> to <i>s1</i>, stopping after the null byte has + been copied. <i>Strncpy</i> copies exactly <i>n</i> bytes, truncating <i>s2</i> or + adding null bytes to <i>s1</i> if necessary. The result will not be null-terminated + if the length of <i>s2</i> is <i>n</i> or more. Each function returns <i>s1</i>. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + <i>Strecpy</i> copies bytes until a null byte has been copied, but writes + no bytes beyond <i>es1</i>. If any bytes are copied, <i>s1</i> is terminated + by a null byte, and a pointer to that byte is returned. Otherwise, + the original <i>s1</i> is returned. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + <i>Strlen</i> returns the number of bytes in <i>s</i>, not including the terminating + null byte. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + <i>Strchr</i> (<i>strrchr</i>) returns a pointer to the first (last) occurrence + of byte <i>c</i> in string <i>s</i>, or <tt><font size=+1>0</font></tt> if <i>c</i> does not occur in the string. + The null byte terminating a string is considered to be part of + the string. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + <i>Strpbrk</i> returns a pointer to the first occurrence in string <i>s1</i> + of any byte from string <i>s2</i>, <tt><font size=+1>0</font></tt> if no byte from <i>s2</i> exists in <i>s1</i>. + + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + <i>Strspn</i> (<i>strcspn</i>) returns the length of the initial segment of + string <i>s1</i> which consists entirely of bytes from (not from) string + <i>s2</i>. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + <i>Strtok</i> considers the string <i>s1</i> to consist of a sequence of zero + or more text tokens separated by spans of one or more bytes from + the separator string <i>s2</i>. The first call, with pointer <i>s1</i> specified, + returns a pointer to the first byte of the first token, and will + have written a null byte into <i>s1</i> immediately following the returned + token. The function keeps track of its position in the string + between separate calls; subsequent calls, signified by <i>s1</i> being + <tt><font size=+1>0</font></tt>, will work through the string <i>s1</i> immediately following that + token. The separator string <i>s2</i> may be different from call to call. + When no token remains in <i>s1</i>, <tt><font size=+1>0</font></tt> is returned. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + <i>Strdup</i> returns a pointer to a distinct copy of the null-terminated + string <i>s</i> in space obtained from <a href="../man3/malloc.html"><i>malloc</i>(3)</a> or <tt><font size=+1>0</font></tt> if no space can + be obtained. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + <i>Strstr</i> returns a pointer to the first occurrence of <i>s2</i> as a substring + of <i>s1</i>, or 0 if there is none. If <i>s2</i> is the null string, <i>strstr</i> + returns <i>s1</i>. <i>Cistrstr</i> operates analogously, but ignores ASCII case + differences when comparing strings.<br> + +</table> +<p><font size=+1><b>SOURCE </b></font><br> + +<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + <tt><font size=+1>/usr/local/plan9/src/lib9<br> + </font></tt> +</table> +<p><font size=+1><b>SEE ALSO </b></font><br> + +<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + <a href="../man3/memory.html"><i>memory</i>(3)</a>, <a href="../man3/rune.html"><i>rune</i>(3)</a>, <a href="../man3/runestrcat.html"><i>runestrcat</i>(3)</a><br> + +</table> +<p><font size=+1><b>BUGS </b></font><br> + +<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + These routines know nothing about UTF. Use the routines in <a href="../man3/rune.html"><i>rune</i>(3)</a> + as appropriate. Note, however, that the definition of UTF guarantees + that <i>strcmp</i> compares UTF strings correctly. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + The outcome of overlapping moves varies among implementations.<br> + +</table> + +<td width=20> +<tr height=20><td> +</table> +<!-- TRAILER --> +<table border=0 cellpadding=0 cellspacing=0 width=100%> +<tr height=15><td width=10><td><td width=10> +<tr><td><td> +<center> +<a href="../../"><img src="../../dist/spaceglenda100.png" alt="Space Glenda" border=1></a> +</center> +</table> +<!-- TRAILER --> +</body></html> |