root/man/libc/strcmp.html

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<title>strcmp</title>
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<h2 align=center>strcmp</h2>
<h4 align=center>OS/161 Reference Manual</h4>

<h3>Name</h3>
strcmp - compare strings

<h3>Library</h3>
Standard C Library (libc, -lc)

<h3>Synopsis</h3>
#include &lt;string.h&gt;<br>
<br>
int<br>
strcmp(const char *<em>str1</em>, const char *<em>str2</em>);

<h3>Description</h3>

The two strings <em>str1</em> and <em>str2</em> are compared
lexicographically.

<h3>Return Values</h3>

If <em>str1</em> sorts before <em>str2</em>, -1 is returned.
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If <em>str1</em> sorts after <em>str2</em>, 1 is returned.
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If <em>str1</em> is the same as <em>str2</em>, 0 is returned.
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