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C programming/stdio.h/remove
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remove is a function in C programming language that removes a certain file. It is included in the C standard library header file stdio.h.
The prototype of the function is as follows:
int remove ( const char * filename );
If successful, the function returns zero. Nonzero value is returned on failure and errno variable is set to corresponding error code.
Sample usage
The following program demonstrates common usage of remove:
#include <stdio.h>
int main()
{
const char *filename = "a.txt";
remove (filename);
return 0;
}
To implement a simple remove utility:
#include <stdio.h>
int main(char* argv[], int argc)
{
if (argc > 1) {
return remove (argv[1]);
}else{
return -1;
}
}
External links
C++ reference for std::remove
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