-D, the value of a macro can be defined. #include <stdio.h>
#define symbol2quotedText(t) #t
#define macroValue2quotedText(t) symbol2quotedText(t)
int main() {
printf("NUMBER = %d\n", NUMBER);
printf("TEXT = %s\n", macroValue2quotedText(TEXT));
printf("QUOTED = %s\n", QUOTED);
}
gcc -DNUMBER=42 -DTEXT="Unquoted text" -DQUOTED="\"Quoted text\"" prog.c -o prog.exe