| Revision as of 14:52, 22 August 2010 editBiT (talk | contribs)Extended confirmed users, Pending changes reviewers3,958 edits →Sample usage← Previous edit | Revision as of 17:15, 22 August 2010 edit undo1exec1 (talk | contribs)Pending changes reviewers, Rollbackers50,085 edits Reverted 2 edits by BiT; Example is not appropriate and invalid as argv does not necessarily refer to the executable itself. See how exec() is invoked. (TW)Next edit → | ||
| Line 23: | Line 23: | ||
| return 0; | return 0; | ||
| } | } | ||
| </source> | |||
| <code>remove</code> can be used to remove the C executable after it has finished running where </code>]] refer to the number and value of the ]s and <code>argv</code> is the first argument, i.e. the name of the executable: | |||
| <source lang="c"> | |||
| #include <stdio.h> | |||
| int main(int argc, *char argv) | |||
| { | |||
| printf("Now removing the file %s.\n", argv); | |||
| remove(argv); | |||
| return 0; | |||
| } | |||
| </source> | </source> | ||
Revision as of 17:15, 22 August 2010
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;
}
Category: