#include <string.h>
#include <stdio.h>

int main() {
	char *s = "DejaVu Sans,DejaVu Sans Condensed:style=Condensed Oblique,Oblique";
	
	if (s) {
		char *c = strchr(s, ':');
		if (c) {
			char *p = strchr(c+1 , ',');
			if (p)
				*p = 0;
		}
		char *p = strchr(s, ',');
		if (p) {
			if (c)
				memmove(p, c, strlen(c) + 1);
			else
				*p = 0;
		}
		printf("%s\n", s);
	}
}