16 lines
415 B
C
16 lines
415 B
C
#include <ksr/string.h>
|
|
#include <ctype.h>
|
|
|
|
char* to_lowercase(const char* src)
|
|
{
|
|
// duplicate the string.
|
|
char *lowercased = strdup(src);
|
|
char *ret = lowercased; // store the first pointer to return it at the end of the conversion.
|
|
|
|
for (;*lowercased; lowercased++)
|
|
// for each character, convert it to lowercase.
|
|
*lowercased = tolower(*lowercased);
|
|
|
|
return ret; // returning the first string pointer.
|
|
}
|