Zilog Z80380 - Manual (Page 82)

Library Functions Run Time Environment
4–18 UM004001-COR1103
strncmp FUNCTION
Header file statement: #include <string.h>
Syntax: int strncmp (const char *string1, const char *string2, size_t count);
The strncmp function lexicographically compares, at most, the first count characters of
string1 and string2 and return a value indicating the relationship between the substrings, as
listed below:
Value Meaning
< 0 string1 less than string2
= 0 string1 identical to string2
> 0 string1 greater than string2
Return Value
The return values for this function are described above.
Parameter Description
string1 String to compare
string2 String to compare
count Number of characters compared