| 0,0 → 1,29 |
|---|
| #include <stdio.h> |
| /* |
| ** Get command line argument. |
| ** Entry: n = Number of the argument. |
| ** s = Destination string pointer. |
| ** size = Size of destination string. |
| ** argc = Argument count from main(). |
| ** argv = Argument vector(s) from main(). |
| ** Returns number of characters moved on success, |
| ** else EOF. |
| */ |
| getarg(n,s,size,argc,argv) |
| int n; char *s; int size,argc,argv[]; |
| {char *str; |
| int i; |
| |
| if(n<0 | n>=argc) |
| {*s=NULL; |
| return EOF; |
| } |
| i=0; |
| str=argv[n]; |
| while(i<size) |
| {if((s[i]=str[i])==NULL) break; |
| ++i; |
| } |
| s[i]=NULL; |
| return i; |
| } |