Tests if the character is alphanumeric.
int isalnum (int c);
Required Header |
<ctype.h> |
Return Value
This function returns a non-zero value if the character is alphanumeric.
Parameters
c
The character to be tested
See Also isalnum, isalpha, isblank, iscntrl, isdigit, isgraph, islower, isprint, ispunct, isspace, isupper, isxdigit