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  1.      #include <stdio.h>
  2.     #include <string.h>
  3.  
  4.     #define S 100
  5.     #define N 1000
  6.  
  7.     int main(int argc, char *argv[]) {
  8.     argc = 10;
  9.     char out[S];
  10.     char buf[N];
  11.     char msg[] = "Welcome to the argument echoing program\n";
  12.     int len = 0;
  13.     buf[0] = '\0';
  14.     printf(msg);
  15.     while (argc) {
  16.     //sprintf(out, "argument %d is %s\n", argc-1, argv[argc-1]);
  17.     snprintf(out, S, "argument %d is %s\n", argc-1, argv[argc-1]);
  18.     argc--;
  19.     strncat(buf,out,sizeof(buf)-len-1);
  20.     printf("%s\n",buf);
  21.     len = strlen(buf);
  22.     //printf("%d\n", len);
  23.     }
  24.     printf("hi1\n");
  25.     //printf("%s",buf);
  26.     printf(buf);
  27.     printf("hi2\n");
  28.     return 0;
  29.     }
Success #stdin #stdout 0.01s 5292KB
comments (?)
stdin
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Standard input is empty
stdout
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Welcome to the argument echoing program
argument 9 is PATH=/usr/local/bin:/usr/bin:/bin

argument 9 is PATH=/usr/local/bin:/usr/bin:/bin
argument 8 is SHLVL=0

argument 9 is PATH=/usr/local/bin:/usr/bin:/bin
argument 8 is SHLVL=0
argument 7 is WORKSPACE=/tmp/

argument 9 is PATH=/usr/local/bin:/usr/bin:/bin
argument 8 is SHLVL=0
argument 7 is WORKSPACE=/tmp/
argument 6 is TMPDIR=/tmp/zyonvT

argument 9 is PATH=/usr/local/bin:/usr/bin:/bin
argument 8 is SHLVL=0
argument 7 is WORKSPACE=/tmp/
argument 6 is TMPDIR=/tmp/zyonvT
argument 5 is LANG=en_US.UTF-8

argument 9 is PATH=/usr/local/bin:/usr/bin:/bin
argument 8 is SHLVL=0
argument 7 is WORKSPACE=/tmp/
argument 6 is TMPDIR=/tmp/zyonvT
argument 5 is LANG=en_US.UTF-8
argument 4 is HOME=/home/1HCQTx

argument 9 is PATH=/usr/local/bin:/usr/bin:/bin
argument 8 is SHLVL=0
argument 7 is WORKSPACE=/tmp/
argument 6 is TMPDIR=/tmp/zyonvT
argument 5 is LANG=en_US.UTF-8
argument 4 is HOME=/home/1HCQTx
argument 3 is TMPDIR_GLOBAL=/tmp/

argument 9 is PATH=/usr/local/bin:/usr/bin:/bin
argument 8 is SHLVL=0
argument 7 is WORKSPACE=/tmp/
argument 6 is TMPDIR=/tmp/zyonvT
argument 5 is LANG=en_US.UTF-8
argument 4 is HOME=/home/1HCQTx
argument 3 is TMPDIR_GLOBAL=/tmp/
argument 2 is PWD=/home/1HCQTx

argument 9 is PATH=/usr/local/bin:/usr/bin:/bin
argument 8 is SHLVL=0
argument 7 is WORKSPACE=/tmp/
argument 6 is TMPDIR=/tmp/zyonvT
argument 5 is LANG=en_US.UTF-8
argument 4 is HOME=/home/1HCQTx
argument 3 is TMPDIR_GLOBAL=/tmp/
argument 2 is PWD=/home/1HCQTx
argument 1 is (null)

argument 9 is PATH=/usr/local/bin:/usr/bin:/bin
argument 8 is SHLVL=0
argument 7 is WORKSPACE=/tmp/
argument 6 is TMPDIR=/tmp/zyonvT
argument 5 is LANG=en_US.UTF-8
argument 4 is HOME=/home/1HCQTx
argument 3 is TMPDIR_GLOBAL=/tmp/
argument 2 is PWD=/home/1HCQTx
argument 1 is (null)
argument 0 is ./prog

hi1
argument 9 is PATH=/usr/local/bin:/usr/bin:/bin
argument 8 is SHLVL=0
argument 7 is WORKSPACE=/tmp/
argument 6 is TMPDIR=/tmp/zyonvT
argument 5 is LANG=en_US.UTF-8
argument 4 is HOME=/home/1HCQTx
argument 3 is TMPDIR_GLOBAL=/tmp/
argument 2 is PWD=/home/1HCQTx
argument 1 is (null)
argument 0 is ./prog
hi2
https://ideone.com/2X15hq
language:
C (gcc 8.3)
created:
4 days ago
visibility:
public

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