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i got the error. when the file passed to the command "concepts" is empty . it gives this error.i checked it on prompt. and it writes output to stderr


execl ("/usr/local/bin/concepts",...

ya you may be correct i am using execl in my code. and i dont have any idea what the called program does.

that code compiles ..

this is the runtime error i am getting .. i only added 10-20 lines from last code . which didnt gave error

but notice that this error is on stdout when running code and...

my code compiles
when i run the code
./a.out >ou
i get on stdout several lines
error in line 1: syntax error
although i think output is correct
what is this error

hello

i have defined global variables like this


int ntests;
int concepttable[numconcepts][TEST_SZ];
int intenttable[numconcepts][predsize];

then i have function initializeintentable