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char sfn[] = "/tmp/temp-XXXXXX";
FILE *sfp;
int fd = -1;
if (fd = mkstemp(sfn)) == -1) {
/* Handle Error */
}
if (sfp = fdopen(fd, "w+")) == NULL) {
unlink(sfn);
close(fd);
}
/* Handle Error */
}
unlink(sfn); /* unlink immediately to allow name to be recycled*/
/* use temporary file */
fclose(sfp); /* also closes fd */
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