c-header

Form C header file “'vector' file not found” error happening into swift

由 别来无恙 提交于 2021-01-29 11:32:19
问题 I am trying to integrate an Objective-C SDK into my swift file. But when I want to add some of the files from the SDK into my Bridging Header I am getting this error 'vector' file not found I am also getting string file not found if I want to add other file to the swift header. I discover these are the C header file. SDK provider gave some hint like create a .mm file, but how they don't know. I have tried adding all the C or C++ supporting files like libstdc++.6.tbd,libstdc++.6.0.9.tbd,

Makefile dealing with header files

由 戏子无情 提交于 2019-12-13 22:54:19
问题 The following is my makefile: CC=gcc CFLAGS=-Wall -O3 SRCS = $(wildcard *.c) EXES = $(patsubst %.c,%,$(SRCS)) .c.o: $(CC) $(CFLAGS) -c $< SRC_CODE=\ file1.c\ file2.c\ file.h SOFI2D_OBJ=$(SRC_CODE:%.c=%.o) sofi2D: $(SOFI2D_OBJ) $(CC) $^ -o $@ clean: rm -rf *.o *.o* *~ $(EXES) all: clean sofi2D I wonder how the header file (.h) plays a role in the compilation? Because all the operations are on .c files... 回答1: The header file is used by the C compiler, not make. If you want the .c files to be

Creating your own header file in C

由 笑着哭i 提交于 2019-11-26 21:08:35
Can anyone explain how to create a header file in C with a simple example from beginning to end. Oliver Charlesworth foo.h #ifndef FOO_H_ /* Include guard */ #define FOO_H_ int foo(int x); /* An example function declaration */ #endif // FOO_H_ foo.c #include "foo.h" /* Include the header (not strictly necessary here) */ int foo(int x) /* Function definition */ { return x + 5; } main.c #include <stdio.h> #include "foo.h" /* Include the header here, to obtain the function declaration */ int main(void) { int y = foo(3); /* Use the function here */ printf("%d\n", y); return 0; } To compile using

Creating your own header file in C

由 久未见 提交于 2019-11-26 07:50:50
问题 Can anyone explain how to create a header file in C with a simple example from beginning to end. 回答1: foo.h #ifndef FOO_H_ /* Include guard */ #define FOO_H_ int foo(int x); /* An example function declaration */ #endif // FOO_H_ foo.c #include "foo.h" /* Include the header (not strictly necessary here) */ int foo(int x) /* Function definition */ { return x + 5; } main.c #include <stdio.h> #include "foo.h" /* Include the header here, to obtain the function declaration */ int main(void) { int y
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