strcmp(9F) Kernel Functions for Drivers strcmp(9F)NAME
strcmp, strcasecmp, strncasecmp, strncmp - compare two null-terminated
strings.
SYNOPSIS
#include <sys/ddi.h>
int strcmp(const char *s1, const char *s2);
int strcasecmp(const char *s1, const char *s2);
int strncasecmp(const char *s1, const char *s2, size_t n);
int strncmp(const char *s1, const char *s2, size_t n);
INTERFACE LEVEL
Solaris DDI specific (Solaris DDI).
PARAMETERS
s1, s2 Pointers to character strings.
n Count of characters to be compared.
DESCRIPTIONstrcmp()
The strcmp() function returns 0 if the strings are the same, or the
integer value of the expression (*s1 - *s2) for the last characters
compared if they differ.
strcasecmp(), strncasecmp()
The strcasecmp() and strncasecmp() functions are case-insensitive ver‐
sions of strcmp() and strncmp(), respectively, described in this sec‐
tion. They assume the ASCII character set and ignore differences in
case when comparing lowercase and uppercase characters.
strncmp()
The strncmp() function returns 0 if the first n characters of s1 and s2
are the same, or (*s1 - *s2) for the last characters compared if they
differ.
RETURN VALUES
The strcmp() function returns 0 if the strings are the same, or (*s1 -
*s2) for the last characters compared if they differ.
The strcasecmp() and strncasecmp() functions return values in the same
fashion as strcmp() and strncmp(), respectively.
The strncmp() function returns 0 if the first n characters of strings
are the same, or (*s1 - *s2) for the last characters compared if they
differ.
CONTEXT
These functions can be called from user, interrupt, or kernel context.
SEE ALSO
Writing Device Drivers
SunOS 5.10 16 Jan 2006 strcmp(9F)
