Hi all, I am recieving segmentation fault at the following line : vfprintf(output_file, input_msg, allargs); when run in gdb I am getting this: 847 vfprintf(output_file, input_msg, allargs); (gdb) p output_file $1 = (FILE *) 0x504750 (gdb) p input_msg $2 = 0x2a9588fdc8 "schema to %s: %d %*s\n" (gdb) p allargs $3 = {{gp_offset = 48, fp_offset = 48, overflow_arg_area = 0x7fbffb2428, reg_save_area = 0x7fbffb2350}} (gdb) Regards, Vivek I want to know what is wrong with the code. Regards, Vivek