struct foo { int a, b, c, d; double doubl; } s1, s2; #ifndef ONLY2 struct foo structret (s1, i1, i2, s2) struct foo s1, s2; int i1, i2; { if (i1 != i2) { if (i1 < i2) return s1; else return s2; } s2.a = 11; s2.b = 22; s2.c = s1.c; s2.d = s1.d; return s2; } #endif #ifndef ONLY1 struct foo mani (a, b) { return structret (s1, a, b, s2); } init () { s1.a = 1; s1.b = 2; s1.c = 3; s1.d = 4; s1.doubl = 3.1415; s2.a = -1; s2.b = -2; s2.c = -3; s2.d = -4; s2.doubl = 2.71818; } main () { struct foo s; init (); s = mani (1, 1); printf ("%d, %d, %d, %d : %f\n", s.a, s.b, s.c, s.d, s.doubl); init (); s = mani (2, 1); printf ("%d, %d, %d, %d : %f\n", s.a, s.b, s.c, s.d, s.doubl); init (); s = mani (1, 2); printf ("%d, %d, %d, %d : %f\n", s.a, s.b, s.c, s.d, s.doubl); } #endif