Eric Postpischil

Eric Postpischil has asked 35 questions and find answers to 780 problems.

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About

Senior software engineer in Apple’s Vector and Numerics Group (retired).

Eric Postpischil questions

How to fix "variable previously declared 'static' redeclared 'extern' error"? [duplicate]
Is an fscanf/scanf/sscanf conversion specification with assignment suppressed not a conversion?
Is GCC warning on const qualifier correct?
Is assigning to a union member from a different member in the same union defined by the C standard?
Why is _Alignof missing from the rule about converting an array to a pointer?
Why was SIGFPE used for integer arithmetic exceptions?
Is a redeclaration of an untagged structure a compatible type?
May C evaluate with multiple floating-point formats?
How are multiple prior declarations resolved for a new declaration with extern?
Can a pointer to an incomplete type be incomplete?

Eric Postpischil answers

Running strncat on MacOS 11.6.1
I do not understand what exactly is dynamic memory allocation
What is a quick way to check the period of an input square wave in C?
Why are some preprocessor macros not expanded unless they are arguments to another macro?
Confusion about series of pure Random numbers
Can non-const data be accessed through a const pointer in a union?
Are globals considered as statements?
In c or c++ can a loop have both "do" and "while" sections?
Is there a logic behind the pointer operator conventions in C/C++? [duplicate]
Extracting High & Low 16 bit Words from a 32 bit number