Continuing. Program received signal SIGSEGV, Segmentation fault. 0x0f25e55c in strlen () from /lib/tls/libc.so.6 #0 0x0f25e55c in strlen () from /lib/tls/libc.so.6 No symbol table info available. #1 0x0f519694 in IA__g_strconcat ( string1=0x10487c70 "\r\n