getphdr
iphdr = getphdr(phnum, phdr_types,
pt_dynamic = getphdr(phnum, phdr_type, 1, file, elf, &phndx);
uphdr = getphdr(phnum, phdr_types,
return ((Elf32_Phdr*) getphdr(elf, ELFCLASS32));
return ((Elf64_Phdr*) getphdr(elf, ELFCLASS64));