string - Get substring before a certain char in (c) -

string - Get substring before a certain char in (c) -

for example, have string: 10.10.10.10/16

and want remove mask ip , get: 10.10.10.10

how done?

just set 0 @ place of slash

#include <string.h> /* strchr() */ char address[] = "10.10.10.10/10"; char *p = strchr(address, '/'); if (!p) /* deal error: / not present" */; *p = 0;

i don't know if works in c++

c string char