HelenOS sources

uspace/lib/c/arch/abs32le/include/libarch/fibril.h
uspace/lib/c/arch/amd64/include/libarch/fibril.h
uspace/lib/c/arch/arm32/include/libarch/fibril.h
uspace/lib/c/arch/arm64/include/libarch/fibril.h
uspace/lib/c/arch/ia32/include/libarch/fibril.h
uspace/lib/c/arch/ia64/include/libarch/fibril.h
uspace/lib/c/arch/mips32/include/libarch/fibril.h
uspace/lib/c/arch/ppc32/include/libarch/fibril.h
uspace/lib/c/arch/riscv64/include/libarch/fibril.h
uspace/lib/c/arch/sparc64/include/libarch/fibril.h
uspace/lib/c/generic/private/fibril.h
uspace/lib/c/include/fibril.h
uspace/lib/posix/include/libc/fibril.h