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Software Design Engineers in Test - function add a line and return input string.. what is the problem in this prog.

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10. Software Design Engineers in Test - function add a line and return input string.. what is the problem in this prog.

Question:
function add a line and return input string..
what is the problem in this prog.

char* addline(char * s)
{
char buf[1024];
int l=strlen(s);
strcpy(buff,s);
buff[l]='n';
return buff;
}


A: No issue with thr program

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