1*1986Swnj /* @(#)strlen.c 4.1 (Berkeley) 12/21/80 */ 2*1986Swnj /* 3*1986Swnj * Returns the number of 4*1986Swnj * non-NULL bytes in string argument. 5*1986Swnj */ 6*1986Swnj 7*1986Swnj strlen(s) 8*1986Swnj register char *s; 9*1986Swnj { 10*1986Swnj register n; 11*1986Swnj 12*1986Swnj n = 0; 13*1986Swnj while (*s++) 14*1986Swnj n++; 15*1986Swnj return(n); 16*1986Swnj } 17