Dynamic Memory Allocation in C: Malloc(), Calloc(), Realloc(), Free()
linux - 'qNextPowerOfTwo' was not declared in this scope - Qt - Stack Overflow
Build fails : 'alloca' was not declared in this scope. Missing include statement ? · Issue #376 · godotengine/godot-cpp · GitHub
How to Fix “not declared in this scope” Error in Arduino
Why is that we should free variables only allocated malloc and calloc functions but not ones that are directly declared and assigned in C language? Is the saving mechanism different in these
ESP8285 Arduino: linker fails to find move operators - Development Platforms - PlatformIO Community