Roux: Created page with "Passing a table to a function either via table type argument or by pointer. /* gcc -std=c99 code.c */ #include "stdio.h" #include "stdlib.h" void function..."

2012-11-26T21:27:44Z

Created page with "Passing a table to a function either via table type argument or by pointer. <source lang="c"> gcc -std=c99 code.c: #include "stdio.h" #include "stdlib.h" void function..."

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Passing a table to a function either via table type argument or by pointer.

<source lang="c">
/* gcc -std=c99 code.c */

#include "stdio.h"
#include "stdlib.h"

void function(int n, int tab[])
{
for(int i=0;i<n;i++) tab[i] = i*i;
}

void function_ptr(int n, int * p)
{
for(int i=0;i<n;i++) *(p+i) = 2*i-1;
}

int main(int argc, char* argv[])
{
if(argc != 2)
{
printf("\tUsage:\t");
printf("%s",argv[0]);
printf(" <integer>\n");
}
else
{
int n = atoi(argv[1]);
int t[n];
printf("Passing table\n");
function(n,t);
for(int i=0;i<n;i++) printf("%d ",t[i]);
printf("\nPassing pointer\n");
function_ptr(n,&t[0]);
for(int i=0;i<n;i++) printf("%d ",t[i]);
printf("\n");
}
return 0;
}
</source>

Passing table to a function - Revision history

Roux: Created page with "Passing a table to a function either via table type argument or by pointer. /* gcc -std=c99 code.c */ #include "stdio.h" #include "stdlib.h" void function..."