Eric Postpischil

Eric Postpischil has asked 35 questions and find answers to 768 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

function pointer and memory address in C [duplicate]
What is the intuitive reason that NaN != NaN?
Weird terminal display glitch in c, Ubuntu
why the value of address in c s always even?
I can assign value to pointer after freeing it from manually allocated memory
Weird syntax in system call declarations in Linux man pages: `void buf[count]` (array of void)
does fetching values into local variables allow greater optimization in C/C++?
C ascii character list
Declaring volatile pointer to a pointer which points to non-volatile data
Side effects in C