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Appendix A: System Routines — Strings
TI
-
89 / TI
-
92 Plus Developer Guide
Not for Distribution
Beta Version January 26, 2001
stricmp
Declaration:
int
stricmp
(const char *
s1
, const char *
s2
)
Category(ies):
Strings
Description:
This is a case insensitive version of
strcmp
.
Inputs:
s1
— Character string.
s2
— Character string.
Outputs:
Ignoring the case of the letters, returns zero if the strings are identical, a
positive number if the string pointed to by
s1
is greater than the string
pointed to by
s2
, or a negative number if the string pointed to by
s1
is less
than the string pointed to by
s2
.
If the strings differ, the value of the first nonmatching character in
s2
subtracted from the corresponding character in
s1
is returned. The
subtraction casts the input strings to unsigned chars so that the characters
in the range 128 . . . 255 are considered above the characters in the range
0 . . . 127.
Assumptions:
None
Side Effects:
None
Availability:
On AMS 2.00 and higher.
TI-89 / TI-92 Plus
Differences:
None
See Also: strcmp, strncmp, memcmp
Example:
/* Return TRUE if strPtr points to the string “all” regardless of case */
if (stricmp((strPtr, “all”) == 0)
return TRUE;
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