cat
cat(Node **a, int q) /* a[0] cat a[1] */
cat(FILE *fi, struct stat *statp, struct stat *outp, char *filenm)
cat(file)
cat(to, from1, from2)
cat(struct name *n1, struct name *n2)
cat(NODE **a, int q)
cat(file)
cat(fn)
cat(char *dir, char *file)
cat(char *file)