Change this character to upper-case.
This command converts a given character from lower- to upper-case.
The argument value is the ASCII value of a character.
This function returns the ASCII value for its uppercase counterpart when the given character is lower-case. If the given character is upper-case already, sds_toupper leaves it as it is.
Example
int returni;
char string1[512];
sds_getstring(1,"\nEnter a lower case character: ",string1);
returni=sds_toupper(string1[0]);
sds_printf("\nsds_toupper returned %i",returni);
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Programming Overview of SDS™ (Solutions Development System™)