函数的多种写法 第10章第4节 viod fl(char *a, char*b) viod fI(char *a, char *b) fint i; for(i=0;(a+i)!=“0’;i++) for(;*a∴=“10;a++,b++) (b+i)=*(a+i); a, (b+i)=0’; b=“10; 主函数的多种写法 mainO main( { char all=“ ' It is a book”; { char al=“ 't is a book”; char b30 char b[30, pl, "p2; fl(a, b); pI=a; p2=b; printi(“%s”,b); f1(pl, p2); printi(“%s”,p2); maino {char*pl=“ 'It is a b0ok”; maino char b30, *p2; { char *pl=“ It is a book”; char p2=b; fI(pl, p2); n(pl,p2);。。o(有误! printf(%s”,p2); printi(“%s”,p2);viod f1(char *a, char *b) {int i; for(i=0;*(a+i)!=‘\0’; i++) *(b+i)=*(a+i); *(b+i)=‘\0’; } 函数f1的多种写法 第10章第4节 viod f1(char *a, char *b) { for( ;*a!=‘\0’; a++,b++) *b=*a; *b=‘\0’; } 主函数的多种写法 main() { char a[]=“It is a book”; char b[30]; f1(a,b); printf(“%s”,b); } main() { char a[]=“It is a book”; char b[30],*p1,*p2; p1=a; p2=b; f1(p1,p2); printf(“%s”, p2); } main() { char *p1=“It is a book”; char b[30],*p2; p2=b; f1(p1,p2); printf(“%s”, p2); } main() { char *p1=“It is a book”; char *p2; f1(p1,p2); printf(“%s”, p2); } 有误!!