http://www.linuxquestions.org – Hya, I am inventing wheel here. If anybody else is hitting similar problem, hopefully this post helps. I am sure that this is some sort of size limit related. The code below compiles, but runs into SegFault. Code: int main(int argc, char** argv, char** envv){ struct rStr { long i1l; long i2l; long j1l; long j2l; int k1; char s1[400]; &nbs (HowTos)