#include <stdio.h>
#define SEARCH_PATH /home/user/ordner/bla/
#define STR(X) #X
#define STR2(X) STR(X)
#define CONCAT(X,Y) X##Y
#define MAKRO(x) STR2(SEARCH_PATH) STR(x)
int main(void) {
printf("%s", MAKRO
(fileA.
hpp)); return 0;
}
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