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PCD
Examples:
Example
Files:
Also See:
char id[20];
...
if(isalpha(id[0])) {
valid_id=TRUE;
for(i=1;i<strlen(id);i++)
valid_id=valid_id && isalnum(id[i]);
} else
valid_id=FALSE;
ex_str.c
isamong()
isamong( )
Syntax:
Parameters:
Returns:
Function:
Availability:
Requires:
Examples:
result = isamong ( value, cstring )
value is a character
cstring is a constant sting
0 (or FALSE) if value is not in cstring
1 (or TRUE) if value is in cstring
Returns TRUE if a character is one of the characters in a constant string.
All devices
Nothing
char x= 'x';
...
if ( isamong ( x,
"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ") )
printf ("The character is valid");
Example Files: #INCLUDE < ctype.h>
Also See:
196
isalnum( ), isalpha( ), isdigit( ), isspace( ), islower( ), isupper( ), isxdigit( )
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