Question

i have a code like this:

int i = 123;
char myString[100];
strcpy(myString, "my text");

and how i want to add the 123 after “my text”. how to do this in c/c++?

at the end myString sould be my test123

Answer 1

(To complement Luchian’s answer)

In C:

char myString[128];
int i = 123;
snprintf(myString, sizeof(myString), "My Text %d", i);