#include #include #include main() { int mode, status; char header[128]; status = fg_pcxhead("CORAL.PCX",header); if (status == -1) { printf("Can't open CORAL.PCX.\n"); exit(1); } else if (status == -2) { printf("CORAL.PCX is not a PCX file.\n"); exit(1); } mode = fg_pcxmode(header); printf("Optimal display mode is %d.\n",mode); }