1. 33.1 common function attributes. https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#Common-Function-Attributes. Accessed 24 May 2020
2. 34.1 common variable attributes. https://gcc.gnu.org/onlinedocs/gcc/Common-Variable-Attributes.html#Common-Variable-Attributes. Accessed 24 May 2020
3. #pragma disjoint. https://www.ibm.com/support/knowledgecenter/SSLTBW_2.4.0/com.ibm.zos.v2r4.cbclx01/pragma_disjoint.htm. Accessed 24 May 2020
4. #pragma execution\_frequency. https://www.ibm.com/support/knowledgecenter/SSLTBW_2.4.0/com.ibm.zos.v2r4.cbclx01/zos_pragma_execution_frequency.htm. Accessed 24 May 2020
5. #pragma inline (c only) / noinline. https://www.ibm.com/support/knowledgecenter/SSLTBW_2.4.0/com.ibm.zos.v2r4.cbclx01/zos_pragma_inline.htm#cplrill. Accessed 24 May 2020