strcmp : character string compare

Synopsis

#include <string.h>
int strcmp(const char *a, const char *b);
```### Description

strcmp compares the string at a to the string at b.### Returns

If *a sorts lexicographically after *b, strcmp returns a number greater than zero. If the two strings match, strcmp returns zero. If *a sorts lexicographically before *b, strcmp returns a number less than zero.

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**Authoritative source**: BUSMASTER DITA help source `strcmp.dita`, compiled into `BUSMASTER.CHM` with the application.