1 struct iovec; 2 extern void fillbuf(char *buf, int count, char value); 3 extern void vfillbuf(struct iovec *iv, int vcnt, char value); 4 extern int filecmp(char *f1, char *f2); 5 extern int bufcmp(char *b1, char *b2, int bsize); 6 extern int vbufcmp(struct iovec *iv1, struct iovec *iv2, int vcnt); 7 8 extern int forkchldrn(int **pidlst, int numchld, int action, int (*chldfunc)()); 9 extern int waitchldrn(int **pidlst, int numchld); 10 extern int killchldrn(int **pidlst, int numchld, int sig); 11 12 13