![](/images/backgrounds/286549/hp-sunsoft-pascal-4-0-users-manual-549395167x1.png)
7
The C++ main program,
StrRefMain.cc
#include <stdio.h> #include <string.h>
struct TVarLenStr { int NBytes;
char a[25];
};
extern "C" void StrRef ( char *,
char *, TVarLenStr &);
int main(void)
{
struct TVarLenStr vls; char s10[10],
s80[80],
s25[25];
vls.NBytes | = | 0; |
|
| |
StrRef | (s10, | s80, | vls); |
| |
strncpy | (s25, | vls.a, vls.NBytes); |
| ||
printf (" | s10 = '%s' \n s80 = '%s' \n s25 = '%s' \n", | ||||
|
| s10, | s80, | s25); | |
printf | (" | strlen | (s25) = %d \n", | strlen(s25)); |
}
The commands to compile and execute StrRef.p and StrRefMain.cc
hostname% pc
hostname% CC StrRef.o StrRefMain.cc
s10 = 'abcdefghi'
s80 = 'abcdefghijklmnopqrstuvwxyz'
s25 = 'varstr' strlen (s25) = 6
The | 143 |