osx man page for glistexture

GLISTEXTURE(3G) 														   GLISTEXTURE(3G)

NAME
       glIsTexture - determine if a name corresponds to a texture

C SPECIFICATION
       GLboolean glIsTexture( GLuint texture )

PARAMETERS
       texture	Specifies a value that may be the name of a texture.

DESCRIPTION
       glIsTexture  returns  GL_TRUE  if  texture is currently the name of a texture.  If texture is zero, or is a non-zero value that is not cur-
       rently the name of a texture, or if an error occurs, glIsTexture returns GL_FALSE.

NOTES
       glIsTexture is available only if the GL version is 1.1 or greater.

ERRORS
       GL_INVALID_OPERATION is generated if glIsTexture is executed between the execution of glBegin and the corresponding execution of glEnd.

SEE ALSO
       glBindTexture, glCopyTexImage1D, glCopyTexImage2D, glDeleteTextures, glGenTextures, glGet, glGetTexParameter,  glTexImage1D,  glTexImage2D,
       glTexImage3D, glTexParameter

																   GLISTEXTURE(3G)