sds_isupper

int sds_isupper (int val);


Determine whether this is an upper-case character.


This function determines whether a given character is upper-case (A-Z). The argument val represents the ASCII value for a character.

This function returns non-zero if the given character is alphabetical. Otherwise, it returns zero.

Example

int returni;

char string1[512];

sds_getstring(1,"\nEnter an uppercase character: ",string1);

returni=sds_isupper(string1[0]);

if (returni == 0)

sds_printf("\nThe character is NOT uppercase. ");

else

sds_printf("\nThe character IS uppercase. ");

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Programming Overview of SDS™ (Solutions Development System™)

sds_islower

sds_tolower

sds_toupper