mhashmi@doobie ~/personal/c/work $ strace ./r
execve("./r", ["./r"], [/* 28 vars */]) = 0
uname({sys="Linux", node="doobie", ...}) = 0
brk(0)                                  = 0x804a000
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f69000
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
old_mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f67000
access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY)      = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=53407, ...}) = 0
old_mmap(NULL, 53407, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb7f59000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/lib/tls/i686/cmov/libc.so.6", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\220O\1"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=1232784, ...}) = 0
old_mmap(NULL, 1238972, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7e2a000
old_mmap(0xb7f4f000, 28672, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x125000) = 0xb7f4f000
old_mmap(0xb7f56000, 10172, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb7f56000
close(3)                                = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7e29000
set_thread_area({entry_number:-1 -> 6, base_addr:0xb7e298e0, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0
munmap(0xb7f59000, 53407)               = 0
brk(0)                                  = 0x804a000
brk(0x806b000)                          = 0x806b000
open("conf.txt", O_RDONLY)              = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=101, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f66000
read(3, "# This is a comment\n# Ensure tha"..., 4096) = 101
--- SIGSEGV (Segmentation fault) @ 0 (0) ---
+++ killed by SIGSEGV +++